commit 2cd55ab74d95cbad37c8be5b4fc5a814b0184482
author Paul Wankadia <junyer@google.com> Sat Jun 06 06:07:29 2020 -0700
committer Paul Wankadia <junyer@google.com> Sat Jun 06 13:09:01 2020 +0000
tree 3c5eead8d31964acb8620e8782cd17b69c8c46d8
parent aecba11114cf1fac5497aeb844b6966106de3eb6

Add a clarifying comment about case folding.

Fixes #262.

Change-Id: I31a87f32fb780e40a7077a88168467d1c817fd3f
Reviewed-on: https://code-review.googlesource.com/c/re2/+/57230
Reviewed-by: Paul Wankadia <junyer@google.com>

re2/re2.h

diff --git a/re2/re2.h b/re2/re2.h
index 32b2718..55e732b 100644
--- a/re2/re2.h
+++ b/re2/re2.h
@@ -40,6 +40,9 @@
 //   R"((?i)hello)"          -- (?i) turns on case-insensitive matching
 //   R"(/\*(.*?)\*/)"        -- .*? matches . minimum no. of times possible
 //
+// When using UTF-8 encoding, case-insensitive matching will perform
+// simple case folding, not full case folding.
+//
 // -----------------------------------------------------------------------
 // MATCHING INTERFACE:
 //